Pin dependency xo to 0.29.1 (#45)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package.json

@@ -48,7 +48,7 @@
     "microtime": "3.0.0",
     "np": "6.2.1",
     "nyc": "15.0.1",
-    "xo": "^0.29.1"
+    "xo": "0.29.1"
   },
   "files": [
     "lib"

yarn.lock

@@ -8384,7 +8384,7 @@ xdg-basedir@^4.0.0:
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-2.0.1.tgz#4d8b8f1eccd3419aa362061becef515e1e559635"
   integrity sha1-TYuPHszTQZqjYgYb7O9RXh5VljU=
 
-xo@^0.29.1:
+[email protected]:
   version "0.29.1"
   resolved "https://registry.yarnpkg.com/xo/-/xo-0.29.1.tgz#e6231d079c18b48a84770e5c1cc3d8e18773abbe"
   integrity sha512-ohlXtUatjHi4f7dRF+c/nv08zyB3+iROxwfX3xEIw2J5Tk5j4I/bPqx4tUzESVHFCh5tQbu528ZEPJmM5P3c/g==